ModelActiveOpen weights

UI-TARS 7B

ByteDance huggingface.co/ByteDance-Seed/UI-TARS-1.5-7B

UI-TARS-1.5 is a multimodal vision-language agent optimized for GUI-based environments, including desktop interfaces, web browsers, mobile systems, and games. Built by ByteDance, it builds upon the UI-TARS framework with reinforcement...

Explore graph

Updated 8 min ago · first seen 11 Sept 2026

model_01M294WWEDDVPC4KVBMXHGH4MK

Parameters: 8.29B; T2 · 24 min ago
Context: 128K tokens; T2 · 25 min ago
Released: 16 Apr 2025; T2 · 8 min ago
License: apache-2.0; T2 · 8 min ago
Knowledge cutoff: Jan 2025; T2 · 25 min ago

Specification

Release date: 16 Apr 2025
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 8 min agomedium
Openness: open-weights
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 24 min agomedium
License: apache-2.0
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 8 min agomedium
Architecture: Qwen2_5_VLForConditionalGeneration
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 8 min agomedium
Parameters: 8.29B
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 24 min agomedium
Context window: 128K tokens
Source:OpenRouter public model & pricing listingT2observed 25 min agomedium
Max output: 2.05K tokens
Source:OpenRouter public model & pricing listingT2observed 25 min agomedium
Knowledge cutoff: Jan 2025
Source:OpenRouter public model & pricing listingT2observed 25 min agomedium
Modalities: image, text
Source:OpenRouter public model & pricing listingT2observed 25 min agomedium
Input modalities: image, text
Source:OpenRouter public model & pricing listingT2observed 25 min agomedium
Output modalities: text
Source:OpenRouter public model & pricing listingT2observed 25 min agomedium
Languages: en
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 8 min agomedium
File size: 33.2 GB
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 8 min agomedium
Hugging Face repo: ByteDance-Seed/UI-TARS-1.5-7B
Source:OpenRouter public model & pricing listingT2observed 25 min agomedium
Pipeline tag: image-text-to-text
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 24 min agomedium
Model card: huggingface.co/ByteDance-Seed/UI-TARS-1.5-7B
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 24 min agomedium
Downloads: 550,484
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 8 min agomedium
Likes: 602
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 8 min agomedium
Gated: No
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 8 min agomedium
Hf inference providers: featherless-ai
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 8 min agomedium
Last modified: 2025-04-18T01:35:38+00:00
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 24 min agomedium
Library name: transformers
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 8 min agomedium
Downloads all time: 4,063,108
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 8 min agomedium
Model type: qwen2_5_vl
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 8 min agomedium
Openrouter id: bytedance/ui-tars-1.5-7b
Source:OpenRouter public model & pricing listingT2observed 25 min agomedium
Supported parameters: frequency_penalty, logit_bias, logprobs, max_tokens, presence_penalty, repetition_penalty, seed, stop, structured_outputs, temperature, top_k, top_logprobs, top_p
Source:OpenRouter public model & pricing listingT2observed 25 min agomedium
Tags: transformers, safetensors, qwen2_5_vl, image-text-to-text, multimodal, gui, en
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 8 min agomedium
Weights dtype: F32
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 8 min agomedium

Each value shows its source, tier and observation time. Conflicting claims are kept side by side and flagged — never averaged. How AI Atlas records facts →

Provenance

Attributed facts

Source tiers

T232

Freshest observation

8 min ago

Conflicts

None

Current prices

Current prices per 1M tokens
Provider	Input / 1M	Output / 1M	Cached in	Batch in / out	Context	Observed	Source
OpenRouterbytedance/ui-tars-1.5-7b	$0.10	$0.20	$0.10	—	128K	25 min ago	openrouter.aiT2

USD per 1M tokens as published by each provider (USD). Rows are append-only: every change is kept in the history below.

Available through 1

OpenRouter

Price history

Input price · USD / 1M tokens

Output price · USD / 1M tokens

OpenRouter

Estimated

Memory need = bytes per parameter (4-bit ≈ 0.5 × 1.15 overhead, 8-bit 1.0, fp16 2.0) + a KV-cache allowance. Not a measurement.

Estimated hardware fit
Hardware	Quantization	Memory	Est. need	Fits
Apple M3 Ultra	4bit	—	5.3 GB	Yes
AMD Instinct MI325X	4bit	256 GB	5.3 GB	Yes
AMD Instinct MI300X	4bit	192 GB	5.3 GB	Yes
Apple M2 Ultra	4bit	—	5.3 GB	Yes
NVIDIA B200	4bit	180 GB	5.3 GB	Yes
NVIDIA H200	4bit	141 GB	5.3 GB	Yes
Apple M1 Ultra	4bit	—	5.3 GB	Yes
Apple M3 Max	4bit	—	5.3 GB	Yes
Apple M4 Max	4bit	—	5.3 GB	Yes
NVIDIA DGX Spark	4bit	128 GB	5.3 GB	Yes
Apple M2 Max	4bit	—	5.3 GB	Yes
NVIDIA A100 80GB	4bit	80 GB	5.3 GB	Yes
NVIDIA H100 SXM	4bit	80 GB	5.3 GB	Yes
Apple M1 Max	4bit	—	5.3 GB	Yes
Apple M4 Pro	4bit	—	5.3 GB	Yes
Apple M3 Pro	4bit	—	5.3 GB	Yes
Apple M1 Pro	4bit	—	5.3 GB	Yes
Apple M2 Pro	4bit	—	5.3 GB	Yes
Apple M4	4bit	—	5.3 GB	Yes
NVIDIA GeForce RTX 5090	4bit	32 GB	5.3 GB	Yes
Apple M2	4bit	—	5.3 GB	Yes
Apple M3	4bit	—	5.3 GB	Yes
NVIDIA GeForce RTX 3090	4bit	24 GB	5.3 GB	Yes
NVIDIA GeForce RTX 4090	4bit	24 GB	5.3 GB	Yes
Apple M1	4bit	—	5.3 GB	Yes

As of

Rewind the record: see this entity's attributes exactly as AI Atlas knew them on a given day.

Claim history

33 claims · 32 properties

Release daterelease_date2

Claim history for Release date
Value	Valid from → to	Status	Source	Confidence	Extractor
16 Apr 2025	11 Sept 2026 21:26 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic
22 Jul 2025	11 Sept 2026 21:10 UTC → 11 Sept 2026 21:26 UTC	superseded	OpenRouter public model & pricing listingT2	medium	deterministic

Opennessopenness1

Claim history for Openness
Value	Valid from → to	Status	Source	Confidence	Extractor
open-weights	11 Sept 2026 21:10 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic

Licenselicense1

Claim history for License
Value	Valid from → to	Status	Source	Confidence	Extractor
apache-2.0	11 Sept 2026 21:26 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic

Architecturearchitecture1

Claim history for Architecture
Value	Valid from → to	Status	Source	Confidence	Extractor
Qwen2_5_VLForConditionalGeneration	11 Sept 2026 21:26 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic

Parametersparameter_count1

Claim history for Parameters
Value	Valid from → to	Status	Source	Confidence	Extractor
8.29B	11 Sept 2026 21:10 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic

Context windowcontext_length1

Claim history for Context window
Value	Valid from → to	Status	Source	Confidence	Extractor
128K tokens	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Max outputmax_output_tokens1

Claim history for Max output
Value	Valid from → to	Status	Source	Confidence	Extractor
2.05K tokens	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Knowledge cutoffknowledge_cutoff1

Claim history for Knowledge cutoff
Value	Valid from → to	Status	Source	Confidence	Extractor
Jan 2025	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Modalitiesmodalities1

Claim history for Modalities
Value	Valid from → to	Status	Source	Confidence	Extractor
image, text	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Input modalitiesmodalities_input1

Claim history for Input modalities
Value	Valid from → to	Status	Source	Confidence	Extractor
image, text	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Output modalitiesmodalities_output1

Claim history for Output modalities
Value	Valid from → to	Status	Source	Confidence	Extractor
text	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Languageslanguages1

Claim history for Languages
Value	Valid from → to	Status	Source	Confidence	Extractor
en	11 Sept 2026 21:26 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic

File sizefile_size_gb1

Claim history for File size
Value	Valid from → to	Status	Source	Confidence	Extractor
33.2 GB	11 Sept 2026 21:26 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic

Hugging Face repohf_repo1

Claim history for Hugging Face repo
Value	Valid from → to	Status	Source	Confidence	Extractor
ByteDance-Seed/UI-TARS-1.5-7B	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Pipeline tagpipeline_tag1

Claim history for Pipeline tag
Value	Valid from → to	Status	Source	Confidence	Extractor
image-text-to-text	11 Sept 2026 21:10 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic

Model cardmodel_card_url1

Claim history for Model card
Value	Valid from → to	Status	Source	Confidence	Extractor
https://huggingface.co/ByteDance-Seed/UI-TARS-1.5-7B	11 Sept 2026 21:10 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic

Downloadsmetric.downloads1

Claim history for Downloads
Value	Valid from → to	Status	Source	Confidence	Extractor
550,484	11 Sept 2026 21:10 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic

Likesmetric.likes1

Claim history for Likes
Value	Valid from → to	Status	Source	Confidence	Extractor
602	11 Sept 2026 21:10 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic

Descriptiondescription1

Claim history for Description
Value	Valid from → to	Status	Source	Confidence	Extractor
UI-TARS-1.5 is a multimodal vision-language agent optimized for GUI-based environments, including desktop interfaces, web browsers, mobile systems, and games. Built by ByteDance, it builds upon the UI-TARS framework with reinforcement...	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Gatedgated1

Claim history for Gated
Value	Valid from → to	Status	Source	Confidence	Extractor
No	11 Sept 2026 21:26 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic

Hf inference providershf_inference_providers1

Claim history for Hf inference providers
Value	Valid from → to	Status	Source	Confidence	Extractor
featherless-ai	11 Sept 2026 21:26 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic

Last modifiedlast_modified1

Claim history for Last modified
Value	Valid from → to	Status	Source	Confidence	Extractor
2025-04-18T01:35:38+00:00	11 Sept 2026 21:10 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic

Library namelibrary_name1

Claim history for Library name
Value	Valid from → to	Status	Source	Confidence	Extractor
transformers	11 Sept 2026 21:26 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic

Downloads all timemetric.downloads_all_time1

Claim history for Downloads all time
Value	Valid from → to	Status	Source	Confidence	Extractor
4,063,108	11 Sept 2026 21:26 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic

Model typemodel_type1

Claim history for Model type
Value	Valid from → to	Status	Source	Confidence	Extractor
qwen2_5_vl	11 Sept 2026 21:26 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic

Openrouter idopenrouter_id1

Claim history for Openrouter id
Value	Valid from → to	Status	Source	Confidence	Extractor
bytedance/ui-tars-1.5-7b	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Structured outputstructured_output1

Claim history for Structured output
Value	Valid from → to	Status	Source	Confidence	Extractor
Yes	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Supported parameterssupported_parameters1

Claim history for Supported parameters
Value	Valid from → to	Status	Source	Confidence	Extractor
frequency_penalty, logit_bias, logprobs, max_tokens, presence_penalty, repetition_penalty, seed, stop, structured_outputs, temperature, top_k, top_logprobs, top_p	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Tagstags1

Claim history for Tags
Value	Valid from → to	Status	Source	Confidence	Extractor
transformers, safetensors, qwen2_5_vl, image-text-to-text, multimodal, gui, en	11 Sept 2026 21:26 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic

Tool callingtool_calling1

Claim history for Tool calling
Value	Valid from → to	Status	Source	Confidence	Extractor
No	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Visionvision1

Claim history for Vision
Value	Valid from → to	Status	Source	Confidence	Extractor
Yes	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Weights dtypeweights_dtype1

Claim history for Weights dtype
Value	Valid from → to	Status	Source	Confidence	Extractor
F32	11 Sept 2026 21:26 UTC → current	current	Hugging Face Hub (public pages, model cards, papers)T2	medium	deterministic

Claims are temporal and append-only: a new observation closes the previous claim (valid_to) instead of overwriting it. Conflicting claims from different sources are kept side by side and flagged — never averaged. Methodology →

Source documents
Source	Document	Type	Tier	Last observed	Snapshots
Hugging Face Hub (public pages, model cards, papers)	huggingface.co/ByteDance-Seed/UI-TARS-1.5-7B	model_page	T2· Quality secondary	8 min ago	1
Hugging Face Hub (public pages, model cards, papers)	huggingface.co/models?author=ByteDance-Seed&p=0&sort=downloads	listing	T2· Quality secondary	22 min ago	2
OpenRouter public model & pricing listing	openrouter.ai/api/v1/models	catalogue	T2· Quality secondary	25 min ago	1

Tier 1 = official/primary, 2 = quality secondary, 3 = community, 4 = unverified. Every snapshot is archived; see all sources and the methodology.